CN109199484A - A kind of annulus fibrosus disci intervertebralis stitching devices and method - Google Patents

Abstract

The present invention discloses a kind of annulus fibrosus disci intervertebralis stitching devices, including the first outer needle and the second outer needle, and the first outer needle and the second outer needle are hollow, and offers aperture in the opposing sidewalls of the first outer needle and the second outer needle；It is provided with hose, the first driving mechanism for driving flexible pipe extending aperture and being bent in the aperture for extending to the second outer needle in first outer needle, is set in hose and end is connected with the silk guide frame of suture, the second driving mechanism for driving silk guide frame to move along hose inner wall；It is provided with cabling needle and third driving mechanism in second outer needle, offers the card slot for being clamped with silk guide frame on cabling needle at position corresponding with aperture, third driving mechanism is for driving cabling needle to be axially moveable.The present invention can be convenient and easy to realize the suture in foramen intervertebrale lens to annulus fibrosus disci intervertebralis cut, improve operation ease, reduce the demand to operating space.Invention additionally discloses a kind of annulus fibrosus disci intervertebralis sewing method, its advantages are as described above.

Description

A kind of annulus fibrosus disci intervertebralis stitching devices and method

Technical field

The present invention relates to the field of medical instrument technology, in particular to a kind of annulus fibrosus disci intervertebralis stitching devices.The present invention is also It is related to a kind of annulus fibrosus disci intervertebralis sewing method.

Background technique

With the development of Chinese medical level, more and more medical instruments are used widely.

The protrusion of the intervertebral disc is current common disease, and patient numbers were in rising trend in recent years.The most common reason of the disease It is interverbebral disc each section such as nucleus pulposus, fibrous ring and cartilage plate, especially nucleus pulposus, after having different degrees of degenerative change, outside Under the action of power factor, the Anular disruption of interverbebral disc, nucleus pulposus protrudes from rear or intraspinal tube from rupture place, leads to phase Adjacent nerve root is stimulated or is oppressed, to generate a series of clinical symptoms such as pain, extremity numbness, pain.In addition, interverbebral disc Gradually lack blood circulation after adult, repair ability is poor, when to can lead to the born pressure of interverbebral disc raised suddenly for certain Risk factor, the then nucleus pulposus that elasticity may be made poor pass through and have become less tough and tensile fibrous ring, cause Nucleus pulposus.

Traditional therapeutic method of surgery is to cut off nucleus pulposus outstanding and free fibrous annulus tissue, to release the pressure of nerve root Compel.But the existing maximum technical problem of Nuclectomy operation is: after Nuclectomy, the presence of broken/notch of fibrous ring can be at For remaining nucleus pulposus channel outstanding again.Through counting, the recurrence rate after operative treatment is about in 3-27%, and average recurrence rate is in 8- 12%.

Currently, being all made of the side of needle holder clamping sewing needle when carrying out wound suture to fiber anchor ring by stitching devices Formula sutures notch, and such mode is although simple and easy, but is difficult to operate in deep notch or Minimally Invasive Surgery notch. Since the protrasion of the lumbar intervertebral disci is controlled in operation with foramen intervertebrale lens technology, all surgical instruments are intended to through a long and narrow job Channel (i.e. foramen intervertebrale lens, diameter 3-5mm, long 12cm), this causes current technology that can not hold in so narrow channel to be directed to Fibrous ring is sutured.

In the prior art, the suture of fibrous ring generally uses the sewing method of a piece staight needle of a looper, because of looper End bend connection structure, cause the end of looper is adherent to enter limit anchor ring, and looper do not allowed to rotate in surgical procedure, Cause to suture difficult failure rate height under narrow space, especially in Microendoscopic, the opereating specification of 3-5mm, thoroughly not It is able to achieve the accurate suture of fibrous ring.And the highest modus operandi of operative treatment acceptance level of protrusion of lumber intervertebral disc is vertebra at present Between aperture mirror use, and this modus operandi easily causes disease palindromia, and wherein the postoperative cut of fibrous ring is important recurrence Reason.

Therefore, how to be convenient and easy to realize the suture in foramen intervertebrale lens to annulus fibrosus disci intervertebralis cut, improve operation just Benefit reduces the demand to operating space, is those skilled in the art's technical problem urgently to be resolved.

Summary of the invention

The object of the present invention is to provide a kind of annulus fibrosus disci intervertebralis stitching devices, can be convenient and easy to realize foramen intervertebrale lens The interior suture to annulus fibrosus disci intervertebralis cut improves operation ease, reduces the demand to operating space.Another mesh of the invention Be to provide a kind of annulus fibrosus disci intervertebralis sewing method.

In order to solve the above technical problems, the present invention provides a kind of annulus fibrosus disci intervertebralis stitching devices, including for being inserted into The the first outer needle and the second outer needle of the default spacing in cut two sides and holding on fiber anchor ring, the first outer needle and described second Outer needle is hollow, and offers aperture in the opposing sidewalls of the first outer needle and the second outer needle；

Hose, described for driving aperture described in the flexible pipe extending and being bent to extend to is provided in the first outer needle The first driving mechanism in the aperture of second outer needle is set in the hose and end is connected with the silk guide frame of suture, uses In the second driving mechanism for driving the silk guide frame to move along the hose inner wall；

It is provided with cabling needle and third driving mechanism in the second outer needle, it is corresponding with the aperture on the cabling needle The card slot for being clamped with the silk guide frame is offered at position, the third driving mechanism is for driving the cabling needle along axis To movement.

Preferably, the end of the described first outer needle and the second outer needle is the sharp end with default inclination angle.

Preferably, the aperture on the firstth outer needle and the second outer needle, which both is opened in, is located in fiber anchor ring Part, and the distance between two tips away from the two both account for the 15%~30% of overall length.

Preferably, the spacing of the described first outer needle and the described second outer needle is 1~2mm.

Preferably, the diameter of the described first outer needle and the second outer needle is 0.8~1mm.

Preferably, the diameter of the hose is 0.6~0.7mm, and the aperture is specially circular hole, and its diameter is softer than described Pipe diameter is big by 10%~20%.

Preferably, the hose is specially medical rubber hose, and the inner wall smooth of the hose.

Preferably, first driving mechanism includes first telescopic rod flexible for the axial drive hose, and It is set on the inner wall of the described first outer needle and is located at the aperture, for the curved bend of the curved guide for the hose Plate.

Preferably, first driving mechanism further include be wound on the hose end outer wall and have default fixed length, For making the hose along the lashing wire of directional curvature, one end of the lashing wire is connected on the inner wall of the described first outer needle, The other end of the lashing wire is connected on the outer wall of the hose.

Preferably, the silk guide frame includes two V-shaped sides, and is provided with use on the end of side described in each item In the arc convex for reducing sliding friction.

Preferably, two sides of the silk guide frame all have elasticity.

Preferably, second driving mechanism includes the push rod being axially displaceably set in the hose, and described The top of push rod is abutted with the tip of the silk guide frame.

Preferably, the silk guide frame is specially metal frame, and is provided in the card slot of cabling needle for adsorbing the seal wire The magnetic adsorption plate of two sides of frame.

Preferably, the third driving mechanism includes for axial the second telescopic rod for driving the cabling needle flexible.

The present invention also provides a kind of annulus fibrosus disci intervertebralis sewing methods, comprising:

First outer needle and the second outer needle are inserted into fiber anchor ring, and keep default spacing；

It drives the hose in the described first outer needle to be moved to the aperture stretched out thereon, and keeps the hose curved along preset direction Song extends in the aperture on the described second outer needle；

Drive silk guide frame in the described first outer needle along the hose be moved at the cabling needle in the described second outer needle with It is clamped, wherein the end of the silk guide frame is connected with suture；

It drives the cabling needle to move axially and the silk guide frame is driven to move.

Annulus fibrosus disci intervertebralis stitching devices provided by the present invention mainly include the first outer needle, the second outer needle, hose, the One driving mechanism, silk guide frame, the second driving mechanism, cabling needle and third driving mechanism.Wherein, the first outer needle and the second outer needle are equal For hollow tubular structure, and aperture is offered on outer wall, hose, the first driving mechanism, silk guide frame and the second driving mechanism are equal It is arranged in the first outer needle, cabling needle and third driving mechanism are arranged in the second outer needle.First driving mechanism is soft for driving Pipe is moved in the first outer needle, and bending after the aperture of the outer needle of flexible pipe extending first is driven to extend to lacking in the second outer needle Kong Zhong, the hose are equivalent to the interim interface channel of the first outer needle and the second outer needle.Second driving mechanism is in the first driving mechanism It acts later, silk guide frame is driven to be pushed at the cabling needle in the second outer needle along hose movement, and by silk guide frame.Cabling needle Card slot is offered on outer wall, can be formed and is clamped with the front end of silk guide frame, and third driving mechanism is then in cabling needle and silk guide frame card After connecing, driving cabling needle moves axially in the second outer needle, the front end of suture is taken out of, so as to the end with suture Knot suture.In this way, annulus fibrosus disci intervertebralis stitching devices provided by the present invention, are inserted by the first outer needle and the second outer needle In fiber anchor ring, the bending of hose is recycled to extend the occasional passage of building the first outer needle and the second outer needle, finally by driving Suture is driven from the first outer needle into the second outer needle and is pulled out by the effect of component, realizes the suture that knots, whole operation process letter It is single easy, and it is not related to the transfer operation of the components such as clamper, the demand to operating space is smaller, compared with the prior art, Looper structure has been abandoned, the operation difficulty of operative doctor is reduced, has improved suture operation ease.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention.

Fig. 2 is the status diagram after hose bending shown in Fig. 1 extends.

Fig. 3 is the front-end architecture schematic diagram of hose shown in Fig. 1.

Fig. 4 is the concrete structure schematic diagram of silk guide frame shown in Fig. 1.

Fig. 5 is a kind of flow chart of specific embodiment provided by the present invention.

Wherein, in Fig. 1-Fig. 4:

The first outer outer needle -2 of needle -1, the second, aperture -3, hose -4, silk guide frame -5, side -501, arc is convex Rise -502, cabling needle -6, card slot -601, the first telescopic rod -7, arc bent plate -8, lashing wire -9, push rod -10, magnetic Piece -11, the second telescopic rod -12.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Referring to FIG. 1, Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention.

In a kind of specific embodiment provided by the present invention, annulus fibrosus disci intervertebralis stitching devices mainly include outside first Needle 1, the second outer needle 2, hose 4, the first driving mechanism, silk guide frame 5, the second driving mechanism, cabling needle 6 and third driving mechanism. Wherein, the first outer needle 1 and the second outer needle 2 are hollow tubular structure, and aperture 3 is offered on outer wall, and hose 4, first drives Motivation structure, silk guide frame 5 and the second driving mechanism are arranged in the first outer needle 1, and cabling needle 6 and the setting of third driving mechanism are the In two outer needles 2.

First driving mechanism drives hose 4 to stretch out outside first for driving hose 4 to be moved in the first outer needle 1 Bending extends in the aperture 3 in the second outer needle 2 after the aperture 3 of needle 1, which is equivalent to the first outer needle 1 and the second outer needle 2 Interim interface channel.

Second driving mechanism acts after the first driving mechanism, drives silk guide frame 5 to move along hose 4, and by seal wire Frame 5 is pushed at the cabling needle 6 in the second outer needle 2.Card slot 601 is offered on the outer wall of cabling needle 6, can with before silk guide frame 5 End forms clamping, and third driving mechanism drives cabling needle 6 in the second outer needle 2 then in cabling needle 6 with after the clamping of silk guide frame 5 It moves axially, the front end of suture is taken out of, sutured to knot with the end of suture.

In this way, annulus fibrosus disci intervertebralis stitching devices provided by the present embodiment, are inserted by the first outer needle 1 and the second outer needle 2 Enter into fiber anchor ring, recycles the bending of hose 4 to extend the occasional passage of the first outer needle 1 and the second outer needle 2 of building, finally lead to Suture is driven from the first outer needle 1 into the second outer needle 2 and pulls out by the effect of component of overdriving, and realizes the suture that knots, entire behaviour Make that process is simple and easy, and be not related to the transfer operation of the components such as clamper, the demand to operating space is smaller, compared to existing There is technology, abandoned looper structure, reduce the operation difficulty of operative doctor, improves suture operation ease.

In a kind of preferred embodiment about the first outer needle 1 and the second outer needle 2, it is contemplated that the toughness of fibrous ring compared with Height, for convenience of the insertion operation of the first outer needle 1 and the second outer needle 2, in the present embodiment, the end of the first outer needle 1 and the second outer needle 2 It is the sharp end with default inclination angle, also, the first outer needle 1 and the second outer 2 face of needle are distributed, the inclination angle of the two can be mutually opposite Claim.In general, to take into account the intensity and sharp keen degree of sharp end, the tip inclination angle of the first outer needle 1 and the second outer needle 2 can be 45~ 60°。

Simultaneously, it is contemplated that this body length and the state after bending extension of hose 4, between the first outer needle 1 and the second outer needle 2 Away from can be 1~2mm.Certainly, it the distance values and is not fixed, can be adjusted according to the dimensional parameters of hose 4.Also, outside first Needle 1 and the second outer needle 2 are distributed in the two sides of cut, and the two can be symmetrical by symmetry axis of cut.

In addition, the diameter of the first outer needle 1 and the second outer needle 2 is generally 0.8~1mm, similarly, which is simultaneously not fixed, can root It is adjusted according to the difference of model etc..And the diameter of hose 4 is generally 0.6~0.7mm, can smoothly be packed into the first outer needle 1, and A fixed spacing is kept with the inner wall of the first outer needle 1, guarantees that movement is without hindrance.

Further, it is contemplated that hose 4, may be because of foozle, installation error or machine during being bent extension Tool vibration etc. reasons and generate movement warp, for guarantee hose 4 can smoothly enter into the aperture 3 on the second outer needle 2, this reality Apply example and the aperture 3 on the second outer needle 2 be designed as circular hole, and the diameter of the aperture 3 it is bigger than the diameter of hose 4 by 10%~ 20%.In this way, aperture 3 can be used as the fortune that hose 4 is likely to occur under normal circumstances in part diametrically bigger than hose 4 Dynamic deviation range guarantees that hose 4 can be enter precisely intoed onto the second outer needle 2 to improve the serious forgiveness of the movement of hose 4 In aperture 3.

As shown in Fig. 2, Fig. 2 is the status diagram after hose bending shown in Fig. 1 extends.

In a kind of preferred embodiment about hose 4, the hose 4 concretely medical rubber hose, it is convenient into The operation such as row bending or extension, while guaranteeing material cleaning.Certainly, hose 4 can be also soft metal pipe, such as pure titanium tube etc.. Meanwhile to guarantee sliding ride comfort of the silk guide frame 5 in hose 4, prevent movement from obstruction, clamping stagnation occur, the inner wall of hose 4 is light Sliding surface, for example can be handled by inner wall of the techniques such as polishing, polishing, coating to hose 4.

In a kind of preferred embodiment about the first driving mechanism, which mainly includes first flexible Bar 7 and arc bent plate 8.Wherein, the first telescopic rod 7 is arranged in outer end (diagram bottom end) position of the first outer needle 1, end with it is soft The end wall of pipe 4 abuts, and can be driven by driving parts such as micro-driving motors, thus through the first telescopic rod 7 outside first Axial movement driving hose 4 in needle 1 synchronizes axial movement in the first outer needle 1.Meanwhile to stretch out hose 4 smoothly Aperture 3 simultaneously forms directional curvature, is provided with arc bent plate 8 at the slit position of aperture 3 on the inner wall of the first outer needle 1, The arc bent plate 8 curves inwardly towards aperture 3, and curvature circle-center is directed toward outside aperture 3, and radius of curvature can be suitable with 3 diameter of aperture.Such as This, when hose 4 is pushed by the first telescopic rod 7 is moved to 3 position of aperture, front end and the arc bent plate 8 of hose 4 are abutted against, When first telescopic rod 7 continues force promotion, hose 4 againsts arc bent plate 8 and generates bending, and extends to outside aperture 3.Therefore, Arc bent plate 8, which is equivalent to, generates guiding role for the bending motion of hose 4.

As shown in figure 3, Fig. 3 is the front-end architecture schematic diagram of hose shown in Fig. 1.

Further, it is contemplated that hose 4 has certain development length between the first outer needle 1 and the second outer needle 2, to guarantee The bending of hose 4 extends the accuracy of movement, prevents relatively large deviation, and in the present embodiment, the first driving mechanism further includes constraint Line 9.

It is wrapped on the end of hose 4 specifically, the lashing wire 9 is whole, and one end of lashing wire 9 is connected to outside first On the inner wall of needle 1, the other end of lashing wire 9 is connected on the end outer wall of hose 4.Importantly, the length of the lashing wire 9 is solid It is fixed, it is non-telescoping, during the extension after hose 4 stretches out aperture 3, limited since the overall length of lashing wire 9 is fixed, before hose 4 The lashing wire 9 at end will pull hose 4 and generate continuous curved motion profile, so that hose 4 extends along orientation curve, final edge Preset curvilinear path reach at 3 position of aperture on the second outer needle 2.Certainly, the overall length of lashing wire 9 is according to the first outer needle The relative dimensions parameters such as the 1 setting position with the spacing, aperture 3 of the second outer needle 2 on the first outer needle 1 and the second outer needle 2 and it is pre- It first sets, when relevant parameter changes, the overall length of the lashing wire 9 needs corresponding change simultaneously.

As shown in figure 4, Fig. 4 is the concrete structure schematic diagram of silk guide frame shown in Fig. 1.

In a kind of preferred embodiment about silk guide frame 5, which specifically may include two and interconnects and be in The side 501 of default angle, sees on the whole, and the structure of silk guide frame 5 is in " V " type, has wedge angle.Suture is generally threaded through seal wire On the wedge angle of frame 5, and two sides 501 are then for abutting sliding with the inner wall of hose 4.To guarantee that sliding smoothly, prevents two Side 501 and 4 inner wall of hose generate clamping stagnation, hinder, and the present embodiment is provided with arc convex on the end of two sides 501 502.In this way, silk guide frame 5 abuts sliding with the inner wall of hose 4 by the arc convex 502 on two sides 501 in sliding, lead to The abutting for crossing curved surface and plane reduces sliding friction.

Further, it is contemplated that hose 4 is flexible, and the overall length internal diameter of hose 4 is due to originals such as foozles Because there may be circular runouts, to make silk guide frame 5 in sliding process, guarantee that two sides 501 and the stabilization of 4 inner wall of hose are supported It connects, in the present embodiment, two sides 501 of silk guide frame 5 also have elasticity.In this way, pass through two sides 501 of silk guide frame 5 The abutting tightness degree with 4 inner wall of hose can be improved in a degree of elastic deformation, prevents motion distortion, movement Caton The case where, guarantee that silk guide frame 5 can pass through at tight narrow place or expansion in hose 4.

In a kind of preferred embodiment about the second driving mechanism, which mainly includes push rod 10. Specifically, the push rod 10 is arranged in hose 4, can also be driven by driving parts such as micro-driving motors, and the top of push rod 10 End is abutted with the tip of silk guide frame 5, drives push rod 10 to be axially moved in hose 4 by the driving effect of driving part, It drives silk guide frame 5 to synchronize movement simultaneously, after silk guide frame 5 is pushed to 4 bending part of hose, passes through the two of silk guide frame 5 The abutting of side 501 and 4 inner wall of hose, continuing to press on silk guide frame 5 moves it along 4 inner wall of hose, and is finally reached At cabling needle 6 in two outer needles 2.

After guaranteeing that silk guide frame 5 moves in place in hose 4, it can stablize, successfully be formed to be clamped with cabling needle 6 and be matched It closes, the present embodiment is provided with two panels magnetic adsorption plate 11 in the card slot 601 of cabling needle 6.Specifically, the magnetic adsorption plate 11 can attach respectively On two wall surfaces up and down of card slot 601, when the movement of silk guide frame 5 in place after, two sides 501 of silk guide frame 5 i.e. respectively with card Two wall surfaces up and down of slot 601 abut, and clamping connective stability can be so improved by the magnetic force sucking action of magnetic adsorption plate 11. Certainly, silk guide frame 5 needs for metal frame.Also, the card slot 601 being arranged on cabling needle 6, can also by in silk guide frame 5 The mode that the arc convex 502 of two sides, 501 end forms clamping guarantees to be clamped connective stability.

In a kind of preferred embodiment about third driving mechanism, which mainly includes second flexible Bar 12.Second telescopic rod 12 is identical as aforementioned first telescopic rod 7, can be driven by driving parts such as micro-driving motors It is dynamic, in this way, after silk guide frame 5 and cabling needle 6 form and stablize clamping, it can be by the second telescopic rod 12 in the second outer needle 2 Axial stretching movement, drives silk guide frame 5 to move synchronously, and the suture line front end connected in silk guide frame 5 is taken out of to the second outer needle 2 Outer end, to carry out knotting suture to the front end of suture and end at the outer end position of the first outer needle 1 and the second outer needle 2.

As shown in figure 5, Fig. 5 is a kind of flow chart of specific embodiment provided by the present invention.

The present embodiment also provides a kind of annulus fibrosus disci intervertebralis sewing method, mainly includes four steps, is respectively as follows: S1, incites somebody to action First outer needle and the second outer needle are inserted into fiber anchor ring, and keep default spacing；Hose in S2, the first outer needle of driving moves It moves to the aperture stretched out thereon, and extends to hose in the aperture on the second outer needle along preset direction bending；S3, driving first Silk guide frame in outer needle is clamped along the cabling needle that hose is moved in the second outer needle with it, wherein the end of silk guide frame connects There is suture；S4, driving cabling needle move axially and silk guide frame are driven to move.

It is related to the specific structure and working principle of component in annulus fibrosus disci intervertebralis sewing method provided by the present embodiment Identical as the related content of aforementioned annulus fibrosus disci intervertebralis stitching devices, details are not described herein again.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (15)

1. a kind of annulus fibrosus disci intervertebralis stitching devices, which is characterized in that including the cut two sides for being inserted on fiber anchor ring And keep the first outer needle (1) and the second outer needle (2) of default spacing, the first outer needle (1) and the second outer needle (2) it is equal in Sky, and aperture (3) are offered in the opposing sidewalls of the first outer needle (1) and the second outer needle (2)；

It is provided with hose (4) in the first outer needle (1), prolongs for driving the hose (4) to stretch out the aperture (3) and be bent In extending to the first driving mechanism in the aperture (3) of the described second outer needle (2), being set to the hose (4) and end is connected with The silk guide frame (5) of suture, the second driving mechanism for driving the silk guide frame (5) mobile along the hose (4) inner wall；

Be provided with cabling needle (6) and third driving mechanism in the second outer needle (2), on the cabling needle (6) with the aperture (3) card slot (601) for being clamped with the silk guide frame (5) is offered at corresponding position, the third driving mechanism is used for The cabling needle (6) is driven to be axially moveable.

2. annulus fibrosus disci intervertebralis stitching devices according to claim 1, which is characterized in that the first outer needle (1) and institute The end for stating the second outer needle (2) is the sharp end with default inclination angle.

3. annulus fibrosus disci intervertebralis stitching devices according to claim 2, which is characterized in that the firstth outer needle (1) and Aperture (3) on the second outer needle (2) is opened in the part that the two is located in fiber anchor ring, and the distance between two tips away from the two Account for the 15%~30% of the two overall length.

4. annulus fibrosus disci intervertebralis stitching devices according to claim 3, which is characterized in that the first outer needle (1) and institute The spacing for stating the second outer needle (2) is 1~2mm.

5. annulus fibrosus disci intervertebralis stitching devices according to claim 4, which is characterized in that the first outer needle (1) and institute The diameter for stating the second outer needle (2) is 0.8~1mm.

6. annulus fibrosus disci intervertebralis stitching devices according to claim 5, which is characterized in that the diameter of the hose (4) is 0.6~0.7mm, the aperture (3) is specially circular hole, and its diameter is bigger by 10%~20% than the hose (4) diameter.

7. annulus fibrosus disci intervertebralis stitching devices according to claim 6, which is characterized in that the hose (4) is specially to cure With rubber tube, and the inner wall smooth of the hose (4).

8. annulus fibrosus disci intervertebralis stitching devices according to claim 1-7, which is characterized in that first driving Mechanism includes first telescopic rod (7) flexible for the axial drive hose (4), and is set to the described first outer needle (1) Inner wall on and be located at the aperture (3) at, for for the hose (4) curved guide arc bent plate (8).

9. annulus fibrosus disci intervertebralis stitching devices according to claim 8, which is characterized in that first driving mechanism is also wrapped It includes and is wound on the outer wall of the hose (4) end and has default fixed length, for making the hose (4) along the constraint of directional curvature Line (9), one end of the lashing wire (9) are connected on the inner wall of the described first outer needle (1), the other end of the lashing wire (9) It is connected on the outer wall of the hose (4).

10. annulus fibrosus disci intervertebralis stitching devices according to claim 9, which is characterized in that the silk guide frame (5) includes being in Two sides (501) of V-type, and the arc for reducing sliding friction is provided on the end of side described in each item (501) Raised (502).

11. annulus fibrosus disci intervertebralis stitching devices according to claim 10, which is characterized in that the two of the silk guide frame (5) Side (501) all has elasticity.

12. annulus fibrosus disci intervertebralis stitching devices according to claim 11, which is characterized in that the second driving mechanism packet Include the push rod (10) being axially displaceably set in the hose (4), and the top of the push rod (10) and the silk guide frame (5) tip abuts.

13. annulus fibrosus disci intervertebralis stitching devices according to claim 12, which is characterized in that the silk guide frame (5) is specific Two sides (501) for adsorbing the silk guide frame (5) are provided with for metal frame, and in the card slot (601) of cabling needle (6) Magnetic adsorption plate (11).

14. annulus fibrosus disci intervertebralis stitching devices according to claim 13, which is characterized in that the third driving mechanism packet It includes for axial the second telescopic rod (12) for driving the cabling needle (6) flexible.

15. a kind of annulus fibrosus disci intervertebralis sewing method characterized by comprising

First outer needle and the second outer needle are inserted into fiber anchor ring, and keep default spacing；

It drives the hose in the described first outer needle to be moved to the aperture stretched out thereon, and prolongs the hose along preset direction bending It extends in the aperture on the described second outer needle；

The silk guide frame in the described first outer needle is driven to block along the cabling needle that the hose is moved in the described second outer needle with it It connects, wherein the end of the silk guide frame is connected with suture；

It drives the cabling needle to move axially and the silk guide frame is driven to move.